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I have two old printers with IEEE 1284 B ports. I am using a USB to IEEE-1284 Parallel Printer cable for each; however, I can only get the PC to recognize one printer. Both printers and cables test ok. It appears the PC is limited to 1 USB to IEEE-1284 Parallel Printer cable. Is there a way to get the PC to regognize 2 IEEE-1284 Parallel Printers?

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Check the serial numbers and other USB identifiers from the cable; if they're the same then the driver may not be able to tell the two apart.

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Windows uses the serial numbers to 'tag' each device. Many (cheaper) vendors put a static serial number in place instead of unique values. Obtaining another brand usb-1284 cable should help. (Should) – lornix Jun 17 '12 at 11:30

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